How To Install watchcatd on Debian 11

In this tutorial we learn how to install watchcatd on Debian 11. watchcatd is Process monitoring daemon

Introduction

In this tutorial we learn how to install watchcatd on Debian 11.

What is watchcatd

watchcatd is:

A bug or malicious attacks to machine can lock up a process, leading to a deadlock or an unexpected condition. For example: an Apache httpd with mod_(php|perl|lua|your_preferred_script_language) running a bad script. When the monitored process locks up, the watchcat helps killing him. It is the best thing to do.

There are three methods to install watchcatd on Debian 11. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install watchcatd Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install watchcatd using apt-get by running the following command:

sudo apt-get -y install watchcatd

Install watchcatd Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install watchcatd using apt by running the following command:

sudo apt -y install watchcatd

Install watchcatd Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install watchcatd using aptitude by running the following command:

sudo aptitude -y install watchcatd

How To Uninstall watchcatd on Debian 11

To uninstall only the watchcatd package we can use the following command:

sudo apt-get remove watchcatd

Uninstall watchcatd And Its Dependencies

To uninstall watchcatd and its dependencies that are no longer needed by Debian 11, we can use the command below:

sudo apt-get -y autoremove watchcatd

Remove watchcatd Configurations and Data

To remove watchcatd configuration and data from Debian 11 we can use the following command:

sudo apt-get -y purge watchcatd

Remove watchcatd configuration, data, and all of its dependencies

We can use the following command to remove watchcatd configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge watchcatd

Dependencies

watchcatd have the following dependencies:

References

Summary

In this tutorial we learn how to install watchcatd package on Debian 11 using different package management tools: apt, apt-get and aptitude.